# Revisiting VAE for Unsupervised Time Series Anomaly Detection: A Frequency Perspective

> Research article (Proceedings of the ACM Web Conference 2024, 2024) · cited 73× · AI/ML

**Wikidata**: [openalex:W4396757510](https://www.wikidata.org/wiki/openalex:W4396757510)  
**Source**: https://4ort.xyz/entity/revisiting-vae-for-unsupervised-time-series-anomaly-detection-a-frequency-perspective